#121 document illustration bibliography subtype use in guidelines

[Tom Elliott]

Add an example from DCLP using <div type="bibliography" subtype="illustration"> instead of <facsimile> to the Guidelines page on "Images, Figure, and Facsimile" (supp-images.xml).

Partial response to outcome of discussion of [#117].

[Tom Elliott]

see now [r2676], which still needs framing discussion

[Tom Elliott]

With [r2677] this is ready for review.

[BODARD Gabriel]

EDAG approves and closes this ticket.